Pearl Izumi SyncroGuide III - Women’s

The Basics

Runner’s World Review

This burly shoe rides much heavier than it actually is. Its wide supportive platform is loaded down with stabilizing plastic that cradles the foot from heel to toe. While this design makes for an incredibly stable shoe, it also results in a firm heel and a stiff forefoot, according to our lab tests. Testers liked the feel of the seamless upper, but the fit was a little off, resulting in a sloppy forefoot. Recommended for heavy overpronators who need a lot of motion-control.

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Runner’s World Wear Testers Say

"It felt supportive, though a bit floppy."—Jill Miller, 46, Allentown "Incredibly supportive, but more forefoot cushioning would be nice."—Emily Koppel, 26, East Lansing

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All the Stats You Need!

Weight: Very Heavy | 11.9 oz

Heel-To-Toe-Drop: Very High | 14.4 mm

Heel Height: Very High | 34.4 mm

Heel Cushioning: Very Firm

Forefoot Height: Low | 20.0 mm

Forefoot Cushioning: Very Firm

Flexibility: Very Stiff

Stability Features: Most

Energy Return: Least

We put each shoe through real-world usage and a battery of mechanical tests in our lab to provide you with objective — and exclusive — data. In addition to a shoe's weight, we measure sole thickness (everything that sits between your foot and the road), how well the foam cushions your stride, and the flexibility of the forefoot. All this is taken into account in our reviews of each shoe.

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